@article{Reynolds2003,
author = {Reynolds, S.L. and Silverstein, M.},
title= {Observing the onset of disability in older adults},
year = {2003},
doi = {10.1016/S0277-9536(03)00053-4},
journal = {Social Science and Medicine},
volume = {57},
number = {10},
pages = {1875--1889},
}